The word "rabid" means extremely aggressive or fanatical. It is often used to describe someone or something that is intensely passionate, driven, or obsessed about a particular topic or idea. Full definition
The little red packets of viscous hot sauce at the fast food giant have a cult following of rabid fans who will do whatever it takes to get their hands on large quantities. (topsecretrecipes.com)
It's a slow process to build a valid reader base of rabid fans, but it's well worth the effort.» (blog.reedsy.com)